Dell EMC ECS EX Series - Page 14

The getrackinfo command identifies nodes by a unique combination of node name and rack
name. For example, node 4 in rack 1 is identified as ogden-red and can be pinged using its NAN
resolvable (through mDNS) name: ogden-red.nan.local.
EX-Series Hardware Overview
14 ECS EXSeries Hardware Guide